CN106961289A - AF panel during the operation simultaneously of multiple radio in a wireless device - Google Patents
AF panel during the operation simultaneously of multiple radio in a wireless device Download PDFInfo
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- CN106961289A CN106961289A CN201710006829.6A CN201710006829A CN106961289A CN 106961289 A CN106961289 A CN 106961289A CN 201710006829 A CN201710006829 A CN 201710006829A CN 106961289 A CN106961289 A CN 106961289A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
AF panel operated the invention discloses multiple radio in a wireless device simultaneously during.The channel distribution adjustment of adaptability is disclosed to suppress the apparatus and method disturbed in the equipment of coexisting operation while multiple radio frequency operations.At least one channel confliction table in channel confliction table is pre-defined in device memory.A radio frequency operation in multiple radio frequency operations is prioritized, and mobile device will ask cellular basestation sending and receiving stations or main frame access point to distribute the channel not conflicted with the radio-frequency channel on priorization.Once the communication channel being prioritized changes due to switching or any other reason, then equipment will mutually compare allocated channel with the collision channels limited in advance table, and then ask access point or base station to adjust auxiliary channel if there is collision channels.
Description
The cross reference of related application
This patent document enjoys in what on January 11st, 2016 submitted according to 35U.S.C. § 119 (a) and Paris Convention requirement
International patent application No.PCT/CN2016/070565 priority.The full content of above-mentioned patent application is to quote
Mode is incorporated to a part for the disclosure as this patent document.
Technical field
Embodiments of the invention are related to wireless communication field, and relate more specifically to channel distribution adjustment to suppress radio frequency
Disturbed while communication in the equipment of coexisting operation.
Background
Many mobile devices are had been developed that and are configured in multiband and are grasped using multiple communication protocols
Make.The example of multiple radio-frequency ranges and multiple communication protocols includes but is not limited to cellular band 1/2/3/4/5/7/8/25/26/
34/39/41 to cover GSM (global system for mobile communications), CDMA (CDMA), WCDMA (wideband CDMA), TD-SCDMA
(time division synchronous CDMA), LTE (Long Term Evolution), LTE-A, LTE-U and 2.4GHz the and 5GHz wave bands for exempting from license for Wi-Fi
Cellular telecommunication art.
General introduction
This document describes the technology for suppressing to disturb in equipment when multiple radio are operated simultaneously.At some
In example embodiment, the matrix table of the channel combination matrix of conflict is defined in advance in device memory.In some embodiment party
In formula, one in multiple radio frequency operations can be prioritized, with higher preferential on other operating frequencies
Level, and the equipment will ask base transceiver station or access point to distribute the frequency not conflicted with the radio-frequency channel on priorization
Road.If the communication channel being prioritized changes due to switching, equipment will be by allocated channel and rushing for limiting in advance
Prominent channel combination matrix is mutually compareed, and then asks access point or base station to adjust auxiliary frequency if there is collision channels
Road.Therefore multiple coexistent radios will operate outside collision channels table, and be disturbed in equipment suppressed.
In an exemplary aspect, disclose including at least two radio frequencies (RF) transceiver, at least one memory cell
With the radio communication device of processor.RF transceiver circuits can operate at least two RF for occupying two different frequency bands simultaneously
Signal.At least one memory cell stores one or more channel confliction tables limited in advance with many entries.
Each entry in one or more channel confliction tables recognizes a pair of RF channels so that using corresponding to a pair of RF channels
The operation of the device of at least two RF signals causes undesired RF in a device to disturb.
In another exemplary aspect, grasped while disclosing for wireless device at least two different RF wave bands
The wireless communications method of work.This method handles the first biography in the first frequency band including the use of the first transceiver circuit of wireless device
It is defeated, and transmitted simultaneously with first in the second band different from first band using the second transceiver circuit of wireless device
Ground processing second is transmitted.First band and second band are chosen so as to suppress being not intended between the first transmission and the second transmission
Radio frequency interference, this is accomplished by the following way：One or more channel confliction tables limited in advance are stored in and deposited
In reservoir, wherein, each collision table includes the frequency band for causing Radio frequency interference in undesirable facility when identification is used at the same time
To entry；First band and second band are compared with the entry in one or more channel confliction tables limited in advance
Compared with to check matching；And change the value of at least one frequency band in first band and second band so that first band and
Second band is a pair different from each pair frequency band listed in one or more channel confliction tables limited in advance.
In another exemplary aspect, implement in a mobile device, method for wireless communications is disclosed.This method
Including：The initial channel distribution that mobile device will be used in radio communication the future while is received via network interface；Using
Before initial channel distribution execution is wirelessly transferred, determine original frequency distribution whether because the operation distributed using original frequency
It will cause when receiving and/or sending and be performed simultaneously in equipment in the contention situation of Radio frequency interference；When original frequency point
When with conflict, based on the use priority currently associated with wireless connection, selection is redistributed with dividing in initial channel
The first initial channel distribution with more low priority, in initial channel distribution is compared in other frequencies distribution matched somebody with somebody；With
And redistributing for new frequency distribution is assigned to via network interface the first original frequency of acquisition, thus eliminate contention situation.
This aspect and other aspects and their embodiment are more detailed in figure, in description and claims
Ground is described.
Brief description
Fig. 1 shows the block diagram of the wireless device with the ability communicated in two different frequency bands simultaneously.
Fig. 2A is shown in honeycomb and Wi-Fi wave bands the example flow diagram of operation simultaneously, wherein, Wi-Fi connection is preferential
Change.
Fig. 2 B are shown in honeycomb and Wi-Fi wave bands another example flow diagram of operation simultaneously, wherein, Wi-Fi connection
It is to be prioritized.
Fig. 3 A show the example flow diagram coexisted of honeycomb and Wi-Fi operations, wherein, cellular connection is to be prioritized.
Fig. 3 B show another example flow diagram coexisted of honeycomb and Wi-Fi operations, wherein, cellular connection is to be prioritized
's.
Fig. 4 A show the example flow diagram of the method coexisted of two cellular radio communications.
Fig. 4 B show another example flow diagram of the method coexisted of two cellular radio communications.
Fig. 5 is the block diagram of example wireless communication devices.
Fig. 6 is the flow chart of the exemplary method for radio communication.
Fig. 7 is another flow chart of the exemplary method for radio communication.
It is described in detail
Mobile device (MD) can suffer from self-interference when multiple radio communications are operated simultaneously, that is, being done in equipment
Disturb.When the background noise or harmonic wave of transmitter waveform enter the channel of other radio receivers, disturbed in equipment
Receiver sensitivity will be made to degenerate.In other cases, may be in radio when multiple transmitters are operated simultaneously
Occur intermodulation distortion in the receiver channel of receiver, and therefore make the sensitivity degradation of radio receiver.Grasp simultaneously
Work can be betided and can for example received in a network interface while another physical interface is received or sent
Or when transmission.
The known method for suppressing to disturb in equipment is to reduce the transimission power of radio communication, and this will reduce honeycomb covering
Scope, and influence the service quality of mobile communication.Another, which possible solution, is used in time domain duplex (TDD) mode
Different network interfaces.In TDD is shared, a network interface can be received or sent every time, plurality of network interface
Chance double in the time domain.However, many wireless network protocols require wireless devices follow the transmission specified by network side and
Receive scheduling, and therefore the TDD operations of the network interface in wireless device are probably difficult and data may be caused to lose
Lose.
In in terms of one beneficial, disclose the channel distribution adjustment of adaptability to suppress multiple radio communication services
The apparatus and method disturbed while (for example, cellular communication and Wi-Fi are operated simultaneously) in the equipment of coexisting operation.In equipment
The matrix table of collision channels combination is defined in memory in advance.In the wherein scene of Wi-Fi operator precedences, equipment will
The channel that the operation distribution of request channel of the cellular basestation sending and receiving stations relative to Wi-Fi does not conflict.Honeycomb operator precedence wherein
In the scene of change, equipment will ask Wi-Fi access points to distribute the honeycomb channel not conflicted to communication equipment.It is poly- in LTE carrier waves
In the scene of conjunction, mobile device is first prioritized communication channel (such as, anchor channel (anchor channel)), and then
Cellular basestation sending and receiving stations is asked relative to the LTE channels of priorization to distribute the channel not conflicted.Once the communication letter being prioritized
Road changes due to switching, then equipment will be mutually right by allocated channel and the collision channels limited in advance combinatorial matrix
According to, and will then ask Wi-Fi access points or base station to adjust if there is contention situation (for example, there is the channel of conflict)
Auxiliary channel.
The mobile device mentioned herein includes but is not limited to cell phone, portable media player, flat board, hand
The equipment of holding equipment, wearable device or any other type with honeycomb or Wi-Fi communication capacities.
Fig. 1 is can be in multiple frequency bands while the example wireless communication devices 100 or movement that send and/or receive are set
Standby 100 block diagram is represented.Device 100 is shown with honeycomb and Wi-Fi communication capacities simultaneously.It is logical for multi-band cellular
Letter, throws (SPxT) more the first multiband antenna 102 and hilted broadsword and switchs 106 a port (port is antenna side ports) and be electrically connected
Connect.Other ports (for example, equipment side ports) of SPxT switches 106 connect at least one duplexer 110 and/or at least one band
Bandpass filter (BPF) 146.Each be respectively provided with duplexer 110 and/or BPF 146 is connected to the antenna side for switching 106
Mouth and the equipment side interface being connected with radio frequency (RF) front-end module (FEM) 116 and transceiver and processor 124.
For Wi-Fi wireless connections, the second multiband antenna 104 is introduced into, with double letter devices (diplexer) 148 and
Wi-Fi module 122 is connected.Double letter devices 148 can be used for being isolated in two the frequency bands 2.4GHz and 5GHz used in Wi-Fi.Device
100 can also include global positioning system (GPS) receiver 120, and the antenna side interface of receiver 120 can be with concentrating on GPS
Bandpass filter BPF 150 around frequency band is electrically coupled, and receiver 120 equipment side interface be coupled in communication processor/
Application processor 124.GPS BPF 150 and double letter devices 148 pass through low pass and the double letter devices 108 of high pass (LP-HP) and ripple more than second
Section antenna 104 is connected.
The channel confliction table 112 limited in advance can be stored inside memory 114.The table 112 being described herein is stored up
The collision channels information among LTE communication channel and Wi-Fi channels is deposited.Processor 124 includes the He of channel configuration module 128
Channel manager 126.Channel configuration module 128 configured by using (not shown) digital phase-locked loop (PLL) circuit LTE and
The RF channels of Wi-Fi transceiver.Channel manager 126 is based on priority algorithm come it is determined which RF channel used.One
In a little embodiments, processor 124 (for example, baseband communication processor) performs the Digital Signal Processing for wireless communication protocol,
And processor 124 can include application processor kernel, to support to include memory management, multimedia and graphics process etc.
MD application.
The channel confliction table 112 and the channel management in application processor 124 of the advance restriction stored in memory
Device module 126 can work together, to avoid the situation of conflict during multiple radio communications are operated simultaneously.Channel confliction table
112 list to avoid suppressing disturbing the channel pair for target in the equipment of multiple coexistent radio operations.In application processor 124
In channel manager module 126 can read channel confliction table (memory management), perform for adaptability channel distribution
The signaling command of adjustment, and command channel configuration circuit operates in appropriate channel.
In order to explanation it is simple for the sake of, Fig. 1 is only explicitly illustrated honeycomb, Wi-Fi and GPS (global positioning system) radio communication
The example embodiment of ability.In certain embodiments, in the device and system for not losing the channel distribution adjustment for adaptability
It is general in the case of, there may be including but not limited to bluetooth and WiGig other radio communication subsystems, to suppress many
Disturbed in the equipment of individual coexistent radio operation.
By way of example, other the possible function element included in the device 100 are displays 130 (for example, touching
Quick display), input mechanism 132 (for example, touch sensor), mouse or another suitable human interface device (HID),
For exporting one or more loudspeakers 134 of sound, the microphone 136 for catching audio, the phase for taking pictures or recording a video
Machine 138, the battery case 140 with the battery that electric power is provided to device 100, can with the power consumption of control device 100 (for example,
By adjust screen intensity or monitoring battery level) power management module 142, the orientation for induction installation 100 and its
His movement, one or more sensors 144 of ambient light etc..Device 100 can also include peripheral bus, such as general string
Row bus (USB), HDMI or Lightening interfaces.
Table 1 presents the example of honeycomb and Wi-Fi collision channels tables, wherein, cellular communication uses wave band 2.
Table 1：Example collision channels table
Table 2 presents the example of honeycomb and Wi-Fi collision channels tables, wherein, cellular communication uses wave band 3.
Table 2：Example collision channels table
Table 3 presents the example of exemplary and Wi-Fi collision channels table, wherein, cellular communication uses wave band 4.
Table 3：Example collision channels table
As shown by tabular example, can by frequency or agreement and its corresponding channel number or
Frequency and agreement and its corresponding channel number recognize channel entries.
In table 1, table 2 and table 3, first row refers to uplink channel number code, and secondary series refers to corresponding center
Frequency.3rd leu lists collision channels according to the channel number of collision channels, for example, the channel that will not be used.4th row
List the corresponding centre frequency of the channel of conflict.As seen from table, for given collision channels it may be possible to being
For the collision channels of multiple channel of operation entries in being arranged on the left side two.
In the embodiment that some implementations LTE and Wi-Fi coexists, application can be based on using respective network connection come excellent
First change the activity of LTE and Wi-Fi communications.Being prioritized can be based on making by the operator of the designer of device or service or network
A priori determined with model.Based on priori design, LTE-Wi-Fi priority lists can be stored in the memory 114 of equipment.
In certain embodiments, it can give and prolong for message to the application dependent on low delay, continuous data communication
Higher priority on Another Application more tolerant late.For example, when Wi-Fi video callings are carried out, while user passes through
When the LTE cellular networks that lower priority can be given send and/or receive short message, it can be given to Wi-Fi activities
Higher priority.In another example, when user is carrying out audio session using LTE network, while Wi-Fi connection is just
When operation following published article part, LTE activity can be prioritized with better than Wi-Fi activities.Alternately or additionally,
LTE or Wi-Fi activities can only be merely to be prioritized according to the communication initialization time, i.e. in LTE or Wi-Fi
One activity will have high communication priority.
Fig. 2A and Fig. 2 B show the flow of the example of the message for coexisting and exchanging for realizing honeycomb and Wi-Fi operations
Figure, wherein, Wi-Fi connection is to be prioritized.In this scene, (being similar to mobile device 100) mobile device MD 204
Communication request (212) is sent to Wi-Fi access points (AP) 202 first, and AP 202 is to the allocation of communication channels of mobile device 204
Number " a " (210).Mobile device 204 sets up the communication (214) with AP in allocated RF channels " a ".Later, movement is set
Standby 204 send communication request (216) to cellular basestation sending and receiving stations (BTS) 206, and BTS 206 is distributed to mobile device and is used for
The preliminary channel " b_0 " (222) communicated with BTS.Channel manager 126 in processor 124 by communication channel " a " and
Preliminary channel " b_0 " is compared to each other with channel confliction table, to check whether " a " and " b_0 " conflicts.If not identifying punching
It is prominent, then not need channel adjustment (224), and mobile device will continue to be communicated with AP in channel " a " and in letter
Communicated in road " b_0 " with BTS (218).
If channel confliction is identified (222), then mobile device will send physical uplink control channel to BTS
(PUCCH) command message, to ask channel distribution to adjust (230).In certain embodiments, mobile device can have on
The channel prior that channel, user specify or that network operation is specified preferentially used when execution channel is redistributed.MD
204 can include this information in the request.BTS 206 receives channel adjustment request (226) from MD 204.BTS 206 will be to
Mobile device 204 distributes new channel " b_1 ", and sends new channel distribution (228) to MD 204 in messages.Once connect
New channel distribution is received, when not extra conflict is detected, MD 204 then can be by its LTE interface again
Be tuned to new channel (232), and start and BTS and sent and received signal (for example, data) with Wi-Fi access points
(234).It was found that the process for the honeycomb channel not conflicted can be iteration, untill the channel for finding not conflict, and MD
204 can be communicated with AP in channel " a " and be communicated in channel " b_n+1 " (n=0,1 ...) with BTS, its
In, channel " a " and " b_n+1 " be not in the list of channel confliction table.
Fig. 3 A and Fig. 3 B Display Realizations honeycomb and the example process flow 300 of Wi-Fi operations, wherein, cellular connection is excellent
First change.In this scene, MD 204 sends communication request (304) to BTS 206.BTS 206 is distributed to MD 204 to be used for
The RF channels " b " (312) of cellular communication.MD204 receives allocated LTE Channel messages, and passes through allocated channel " b "
Communicated with BTS 206 (306).Later, MD 204 sends communication request (308) to Wi-Fi access points.Please in response to communication
Ask, AP 202 distributes the preliminary channel " a_0 " (302) for being communicated with AP 202 to MD 204.
Channel manager 126 in processor 124 is by communication channel " b " and preliminary channel " a_0 " and channel confliction table
It is compared to each other, to check whether " b " and " a_0 " conflicts (316).If not recognizing entry/exit conflicts, then do not need channel adjustment
(328), and mobile device will continue communicated and led in channel " b " with BTS with AP in channel " a_0 "
Letter.If channel confliction is identified, then MD 204 sends physical channel adjustment message to AP, to ask channel distribution to adjust
318.AP 202 receives channel adjustment request (324).AP 202 will distribute new channel " a_1 " (326) to mobile device.MD
204 receive new allocated channel configuration (320).Signaling procedure is iteration, untill no discovery channel confliction, and
And mobile device can be communicated in channel " a_n+1 " (n=0,1 ...) with AP (322) and in channel " b " with
BTS is communicated, wherein, channel " a_n+1 " and " b " be not in the list of channel confliction table.
The example of the signaling procedure flow chart 400 coexisted for the carrier aggregation that Fig. 4 A and Fig. 4 B are shown in MD 204.MD
204 send communication connection request (402) to BTS 206.BTS 206 receives request, and distributes for carrier aggregation in ripple
Preliminary channel " a_0 " in section A and the preliminary channel " b_0 " (404) in wave band B.MD 204 is received to be gathered for performing channel
The channel distribution (406) of two channels closed.MD 204 RF transceivers 116 are to the reporting channel information (channel of processor 124
" a_0 " and " b_0 ").Preliminary channel " a_0 " and " b_0 " are compared to each other by channel manager 126 with channel confliction table 112, to examine
Look into whether " a_0 " and " b_0 " conflicts (408).If not recognizing entry/exit conflicts, then do not need channel adjustment, and movement is set
It is standby to continue to be communicated (410) in the channel " a_0 " and " b_0 " for carrier aggregation.If channel confliction is identified
(412), then mobile device will make a channel (being typically anchor channel (for example, channel " b_0 ")) in the channel excellent first
First change (414).Next, MD 204 will send request (416) to BTS 206.The request can be used for physical channel adjustment,
To ask to use possible preferred channel to be recommended to carry out channel distribution adjustment to auxiliary channel (for example, channel " a_0 ").BTS
206 receive request, and new channel " a_n " (422) will be distributed to MD 204.BTS 206 sends to MD 204 and redistributed
(424).MD204 receives this message, and begins to use the carrier aggregation of newly assigned channel to carry out by cellular network
Communicate (420).Signaling procedure is iteration, and untill no discovery channel confliction, and mobile device can use carrier wave
Converging operation, and communicated in channel " a_n " and channel " b_0 " with BTS, wherein, channel " a_n " and " b_0 " do not exist
In the list of channel confliction table.
Carrier aggregation (CA) technology and the example embodiment described in Fig. 4 A and Fig. 4 B can with coverage criteria LTE CA, or
Person can be extended to include the LTE (LTE-U) in the wave band for exempting from license.The feelings operated simultaneously in LTE-U multiple radio
Under condition, anchor channel be in cellular band, and non-anchor channel (non-anchor channel) exempting from license 5GHz wave bands
In, and anchor channel is prioritized with higher priority.
When the communication channel of priorization is due to switching or any other reason when change, such as Fig. 2A, 2B,
Signaling procedure stream described in 3A, 3B, 4A and 4B can be with iteration.When the communication channel of priorization changes, mobile device
Allocated channel mutually can again be compareed with the collision channels limited in advance combinatorial matrix, and if due to communication letter
The change (for example, there is channel confliction) in road and clashed, then will be prioritized again communication channel, and request
Access point or base station are to adjust auxiliary channel.
Fig. 5 shows the flow chart of the exemplary method 500 for radio communication.Method 500 can be by can be at two not
The Wireless Telecom Equipment of (for example, can send and/or receive simultaneously data) is operated to implement in same RF wave bands simultaneously.
Method 500 is included at 502 using the first transceiver processing of circuit of wireless device from the first frequency band
First transmission of channel.Method 500 is included at 504 using the second transceiver circuit of wireless device different from first band
Second band channel in first transmission simultaneously processing second transmit.
On 502 and 504, processing may mean that transmission or receive.For example, when two transceiver circuits are all being received
Signal, sending signal or a transceiver are being received and when another transmitter is sending RF signals, method 500
May be for suppressing to disturb useful in equipment.
In order to by suppress first transmission second transmission between undesired Radio frequency interference in the way of in first band
With channel is selected in second band, one or more channel confliction tables limited in advance can be stored in by this method at 506
In memory, wherein, each collision table includes the frequency for causing Radio frequency interference in undesirable facility when identification is used at the same time
Band to entry.
Method 500 can be by the channel in first band and second band and in one or more advance limits at 508
Entry in fixed channel confliction table is compared, to check matching.The example of collision table is described on table 1, table 2 and table 3.
Comparing operation for example can enter the channel in each frequency band in first band and second band and the entry in table
Row compares, and the entry represents the channel pair for representing contention situation.In certain embodiments, it can be arranged in by network type
Entry in collision table.For example, can relative to one wireless protocols (for example, Wi-Fi or LTE) limit first band,
And second band can be limited using different wireless protocols.In various embodiments, frequency band can be classified as and be only used for
Up-link, it is only used for downlink or the use for up-link and downlink.
Method 500 can selectively change at least one in the channel in first band and second band at 510
The value of individual channel so that the channel in first band and second band be with one or more channel conflictions limited in advance
Each channel is to a pair of different channels in the channel listed in table.
As described by for example on table 1, table 2 and table 3, first band and second band are used for different nothings
The operation of wire protocol.For example, a frequency band can be used for WLAN communications, and another frequency band can be used for cellular communication, example
Such as, 3G communications or LTE communication etc..
In certain embodiments, can via wireless device and network side entity (such as, base station or access point) it
Between communication be iteratively performed and selectively change channel value.For example, in certain embodiments, when being asked by wireless device
Waiting, network side entity may be not aware that the collision channels information for wireless device, and may end at distribution is used to lead to
The different channels of letter, it is also collision channels.Therefore, wireless device can be asked repeatedly, with change for communicate channel (
TDD operate in the case of, or up-link or be downlink or be combination up-link/descending chain
The channel on road), until channel as a result is not to untill being the entry in channel confliction table.
In certain embodiments, method 500 can include, when one or two network interface operating frequency change when
(for example, being switched to another overlay area due to the mobility of wireless device and from an overlay area) is waited to repeat to implement punching
It is prominent to clear up.
Although the table relative to collision channels describes method 500, but list, state machine can also be used, array, patrolled
Expression formula etc. is collected to perform this conflict resolution.For example, state machine can be programmed to receive the first channel frequency as input
And second-channel frequency, and generation indicates whether to use the binary system of combination to export.
Fig. 6 shows the flow chart of the exemplary method 600 of the radio communication for implementing in mobile device 204.It is mobile
Equipment 204 can when just entering network communication session beginning implementation 600, or when some network characterizations change
When becoming (for example, mobile device 204 is switched to the different webservers due to mobile), mobile device 204 is
Repetition methods 600 during being operated.
Method 600, which is included at 602, receives initial channel distribution.For example, as described in this article, many radio communications
Agreement is so that mobile device 204 scans the presence of network and worked in wireless medium, and is deposited in the Scanning Detction to network
When request enter network.Once generating request, mobile device 204 then can be with receives frequency, for utilizing net
Network carries out the up-link in future and the channel operation of downlink.In certain embodiments, frequency distribution can be included in one
Two different frequencies on individual communication direction (for example, using two channels for downlink communication of channel aggregation).
Method 600, which is included in, determines that the initial channel distribution for reception whether there is contention situation at 604.In some realities
Apply in example, determine whether original frequency distribution includes in contention situation：Check whether original frequency distribution is being locally stored
Conflict is saved as in device.In certain embodiments, the use priority be based upon the agreement that wireless connection is used it is fixation,
Predetermined priority.In certain embodiments, body of the use priority based on the application asked to receive and/or sent
Part.In certain embodiments, the sequence of initialization of the use priority based on application on the wireless device.For example, at some
In embodiment, the first application being first begin to can receive the priority higher than the second application started in time later.
Method 600 is included in the lower priority channel selected at 606 for redistributing.As described in this article,
Lower priority channel can be the channel that the data transfer for up-link or downlink is applied by lower priority.
Using can on the display 130 to user present data, and can via module 132,136,138 or 144 receive come from
The input of user.
Method 600, which is included at 608, to be redistributed, to eliminate contention situation.The process of acquisition can include iteration
Ground request is redistributed, frequency acceptance band is redistributed, checks whether contention situation has been solved and re-request is redistributed
With receive it is next redistribute, until solve contention situation untill.
In certain embodiments, original frequency distribution can be two channels for being used for channel aggregation.Method
600 can perform channel aggregation including the use of initial channel distribution, wherein, the transmission bandwidth of two discontinuous frequency bands is by group
Close, connected with the physical layer that more high bandwidth is provided to wireless device.
Fig. 7 is that the block diagram of example wireless communication devices 700 is represented.Device 700 include multiple transceivers 702, one or many
Individual memory 704 and one or more processors 706.Transceiver 702 is electrically connected to possibly through switch or multiplexer
One or more antennas, are operated simultaneously with being performed on two different frequency bands, for example, sending or receiving.
One or more memories 704 store one or more channel conflictions limited in advance with many entries
Table, wherein, each entry in one or more channel confliction tables recognizes a pair of RF channels so that using corresponding to this pair
The operation of the device of at least two RF signals of RF channels causes undesired RF in a device to disturb.
Processor 706 is by checking at least one restriction in advance in one or more channel confliction tables limited in advance
Channel confliction table control the operation of at least two RF transceiver circuits, used with excluding at least two RF transceiver circuits
A pair of RF channels, thus suppress the undesired RF interference in device 700.
In certain embodiments, processor 706 is received and specified for a RF at least two RF transceiver circuits
The message of the frequency band of the future operation of transceiver circuit, and processor 706 checks whether the frequency band of future operation is produced in dress
Put the undesired RF interference in 700.
In certain embodiments, RF transceiver is periodically to processor reporting operations channel, and RF transceiver
Channel manager channel of operation and the channel confliction table that limits in advance are compared to each other, to determine the need for channel adjustment.
Periodic report can be performed for example at fixed time period (for example, 1 to 2 seconds) place, or can be in working condition (such as,
Signal to noise ratio) perform when change at least certain predetermined amount.
It will be recognized that disclosing several technologies for being used to suppress that RF is disturbed in equipment.In order to help to suppress interference, Ke Yi
Store collision channel table in equipment.These tables can include since it is known its frequency band for causing interference in equipment and being not used or
The entry of person's channel group.The generation and storage of table can a priori be performed.
, it will also be appreciated that disclosed technology can be used for the frequency band for remaining allocated to higher priority communication, simultaneously
Change the frequency that the lower priority of the multiple communications performed simultaneously by wireless device is used.It can be based on retouching in this document
One of several possible modes stated determine priority.
Although this patent document includes many details, however these details should not be construed as to claimed or
Person can claimed invention scope restriction, and should be seen as specific embodiment feature description.In addition, may be used also
Implement some features described in this document in the background of not be the same as Example in one embodiment to combine.Conversely
Ground, the various features described in the background of single embodiment, which can also respectively be implemented in multiple embodiments or be implemented on, appoints
In what suitable sub-portfolio.Although in addition, feature can be described above as working in some combinations and even most
It is exactly just so claimed, but in some cases, can be by one or more of combination claimed feature
Removed from the combination, and the claimed combination may be directed to the modification of sub-portfolio or sub-portfolio.Similarly, although
Depict operation by particular order in accompanying drawing, however this and should not be construed and require particular order to show or with successive
The operation that order performs such operation or is described will be performed, to realize desired result.
Only disclose a small amount of example and implementation.It can be made based on disclosure of that to described example and reality
Modification, modification and the enhancing of existing mode and other implementations.
Claims (26)
1. a kind of radio communication device, including：
At least two radio frequencies (RF) transceiver circuit, at least two radio frequencies (RF) transceiver circuit operates and occupies two simultaneously
At least two RF signals of different frequency bands；
At least one memory cell, at least one memory cell storage is one or more advance with many entries
The channel confliction table of restriction, wherein, each entry in one or more of channel confliction tables recognizes a pair of RF channels, makes
The operation of the described device of at least two RF signals corresponding to the pair of RF channels, which must be used, to be caused in described device
In undesired RF interference；And
Processor, the processor is by checking at least one in one or more of channel confliction tables limited in advance
The channel confliction table limited in advance controls the operation of at least two RF transceiver circuits, to exclude at least two RF
Transceiver circuit uses the pair of RF channels, thus suppresses the undesired RF interference in said device.
2. device according to claim 1, wherein, the processor, which is received, specifies at least two RF transmitting-receivings
The message of the frequency band of the future operation of a RF transceiver circuit in device circuit, and the processor checks the following behaviour
Whether the frequency band of work produces the undesired RF interference in said device.
3. device according to claim 1, the RF transceiver periodically reports the operation to the processor
Channel, and the channel manager of the processor compared the channel of operation with the channel confliction table limited in advance,
To determine the need for channel adjustment.
4. device according to claim 1, also includes：
At least one RF antenna, at least one described RF antenna is electrically connected at least two RF transceivers electricity by switch
Road.
5. a kind of wireless communications method operated simultaneously at least two different radio frequency (RF) wave bands for wireless device, bag
Include：
The first transmission is handled in the first frequency band using the first transceiver circuit of the wireless device, and
With the described first transmission simultaneously, using the second transceiver circuit of the wireless device different from the first band
Second band in processing second transmit；
Wherein, the first band and the second band are chosen so as to suppress in the described first transmission and institute by following operation
State the undesired Radio frequency interference between the second transmission：
One or more channel confliction tables limited in advance are stored in memory, wherein, each collision table includes identification
Cause the entry of the frequency band pair of Radio frequency interference in undesirable facility when using at the same time；
By the first band and the second band and the bar in one or more of channel confliction tables limited in advance
Mesh is compared, to check matching；And
Selectively change the value of at least one frequency band in the first band and the second band so that described first
Frequency band and the second band be with each pair frequency band listed in one or more of channel confliction tables limited in advance not
A pair of same frequency bands.
6. method according to claim 5, wherein, the first band corresponds to the first channel of wireless local area technology,
And the second band corresponds to the second channel of cellular wireless technologies.
7. method according to claim 5, wherein, interference is included in the first transceiver circuit and institute in the equipment
State the sensitivity degradation at least one transceiver circuit in second transceiver circuit.
8. a kind of wireless communications method implemented in a mobile device, including：
The initial channel distribution used for the mobile device in radio communication the future while is received via network interface；
Before being wirelessly transferred using initial channel distribution execution, determine the original frequency distribution whether because using institute
Stating the operation of original frequency distribution will receive and/or send while causing Radio frequency interference in equipment when being performed and being in
Contention situation；
When the original frequency, which is distributed, to conflict, based on the current the use priority associated with the wireless connection, selection
Redistribute with other frequencies distribution in initial channel distribution compare with it is lower it is priority, it is described initially
The first initial channel distribution in channel distribution；And
First original frequency is obtained via the network interface and is assigned to redistributing for new frequency distribution, is thus eliminated
The contention situation.
9. method according to claim 8, wherein, the initial channel distribution is to be used to use in carrier aggregation setting
Two frequency bands.
10. method according to claim 8, wherein it is determined that whether original frequency distribution includes in contention situation：
Check whether the original frequency distribution is stored as conflict in local storage.
11. method according to claim 8, wherein, the use priority is fixed, based on wirelessly being connected by described
Connect the predetermined priority of the agreement used.
12. method according to claim 8, wherein, the use priority is based on asking the reception and/or hair
The identity for the application sent.
13. method according to claim 8, when being additionally included in the use priority change, is reexamined described
Contention situation；And
When there is contention situation, request is redistributed, to change the frequency band for the radio communication.
14. method according to claim 8, also includes：
Channel aggregation is performed using initial channel distribution, wherein, the transmission of two discontinuous frequency bands and/or receive band
Width is combined, and is connected with the physical layer that more high bandwidth is provided to the wireless device.
15. method according to claim 8, wherein, redistribute and divide again including iteratively frequency acceptance band described in acquisition
Match somebody with somebody and check whether the contention situation is eliminated.
16. a kind of computer program product for storing instruction, the instruction makes processor implement to be used to wirelessly set when executed
The standby method operated simultaneously at least two different radio frequency (RF) wave bands, methods described includes：
The first transmission is handled in the first frequency band using the first transceiver circuit of the wireless device, and
With the described first transmission simultaneously, using the second transceiver circuit of the wireless device different from the first band
Second band in processing second transmit；
Wherein, the first band and the second band are selected to suppress in the described first transmission and institute by following operate
State the undesired Radio frequency interference between the second transmission：
One or more channel confliction tables limited in advance are stored in memory, wherein, each collision table includes identification
Cause the entry of the frequency band pair of Radio frequency interference in undesirable facility when using at the same time；
By the first band and the second band and the bar in one or more of channel confliction tables limited in advance
Mesh is compared, to check matching；And
Selectively change the value of at least one frequency band in the first band and the second band so that described first
Frequency band and the second band be with each pair frequency band listed in one or more of channel confliction tables limited in advance not
A pair of same frequency bands.
17. computer program product according to claim 16, wherein, the first band corresponds to wireless local area technology
The first channel, and the second band correspond to cellular wireless technologies second channel.
18. computer program product according to claim 16, wherein, interference is included in described first and received in the equipment
Send out the sensitivity degradation at least one transceiver circuit in device circuit and the second transceiver circuit.
19. a kind of computer program product for storing instruction, the instruction makes processor real in a mobile device when executed
Applying method, the instruction includes：
Divide for receiving the initial channel used for the mobile device in radio communication the future while via network interface
The instruction matched somebody with somebody；
For before being wirelessly transferred using initial channel distribution execution, determining the original frequency distribution whether because making
The operation distributed with the original frequency when receiving and/or sending and be performed simultaneously will cause Radio frequency interference in equipment and
Instruction in contention situation；
For when the original frequency is distributed and conflicted, based on the current the use priority associated with the wireless connection,
Selection redistribute with other frequencies distribution in initial channel distribution compare with it is lower it is priority, described
The instruction of the first initial channel distribution in initial channel distribution；And
First original frequency is assigned to redistributing for new frequency distribution for being obtained via the network interface, by
This eliminates the instruction of the contention situation.
20. computer program product according to claim 19, wherein, the initial channel distribution is to be used to gather in carrier wave
Two frequency bands that conjunction is used in setting.
21. computer program product according to claim 19, wherein, for determining whether the original frequency distribution is located
Include being used to check whether the original frequency distribution is stored as conflict in local storage in the instruction of contention situation
Instruction.
22. computer program product according to claim 19, wherein, the use priority is fixed, based on logical
Cross the predetermined priority of agreement that the wireless connection is used.
23. computer program product according to claim 19, wherein, the use priority is to be based on asking institute
State the identity for the application for receiving and/or sending.
24. computer program product according to claim 19, wherein, the instruction also includes：For being used described
Priority reexamines the instruction of the contention situation when change；And
For when there is contention situation, request to be redistributed to change the instruction of the frequency band for the radio communication.
25. computer program product as claimed in claim 19, wherein the instruction also includes：
The instruction of channel aggregation is performed for being distributed using the initial channel, wherein, the transmission of two discontinuous frequency bands
And/or reception bandwidth is combined, connected with the physical layer that more high bandwidth is provided to the wireless device.
26. computer program product according to claim 19, wherein, include for obtaining the instruction redistributed
The instruction whether contention situation is eliminated is redistributed and checked for iteratively frequency acceptance band.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNPCT/CN2016/070565 | 2016-01-11 | ||
| CN2016070565 | 2016-01-11 |
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| Publication Number | Publication Date |
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| CN106961289A true CN106961289A (en) | 2017-07-18 |
| CN106961289B CN106961289B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710006829.6A Expired - Fee Related CN106961289B (en) | 2016-01-11 | 2017-01-05 | Interference suppression during simultaneous operation of multiple radios in a wireless device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US10201000B2 (en) |
| CN (1) | CN106961289B (en) |
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| CN109451873A (en) * | 2017-07-25 | 2019-03-08 | 北京小米移动软件有限公司 | The indicating means and device of unexpected working channel |
| CN111527772A (en) * | 2018-01-26 | 2020-08-11 | 深圳市大疆创新科技有限公司 | Communication apparatus and method |
| WO2021253143A1 (en) * | 2020-06-15 | 2021-12-23 | Qualcomm Incorporated | Coexistence between wireless sensing and wireless communication in cellular bands |
| WO2022205420A1 (en) * | 2021-04-02 | 2022-10-06 | Qualcomm Incorporated | Energy pattern-based dynamic frequency selection for high-band spectrum sharing |
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| US9992775B2 (en) | 2015-01-30 | 2018-06-05 | Qualcomm Incorporated | Band preference in wireless networks |
| US10517021B2 (en) | 2016-06-30 | 2019-12-24 | Evolve Cellular Inc. | Long term evolution-primary WiFi (LTE-PW) |
| KR102472989B1 (en) * | 2016-11-30 | 2022-12-01 | 삼성전자주식회사 | Method for controlling communication and electronic device therefor |
| JP6516784B2 (en) * | 2017-03-29 | 2019-05-22 | 本田技研工業株式会社 | Wireless communication apparatus and wireless communication system using the same |
| US10506592B2 (en) * | 2017-04-04 | 2019-12-10 | Qualcomm Incorporated | Method, system and/or device for managing communication channels |
| CN110035438A (en) | 2018-01-12 | 2019-07-19 | 索尼公司 | Electronic equipment and method and computer readable storage medium for wireless communication |
| CN112994859B (en) * | 2019-12-18 | 2022-09-09 | 深圳市万普拉斯科技有限公司 | Frequency band channel adjustment method, device, terminal and storage medium |
| US20220046431A1 (en) * | 2020-08-06 | 2022-02-10 | Qualcomm Incorporated | Cell and full duplex beam pair updating |
| US11374614B1 (en) * | 2021-02-12 | 2022-06-28 | Charter Communications Operating, Llc | In-device coexistence for new radio |
| US11711862B1 (en) | 2021-07-15 | 2023-07-25 | T-Mobile Usa, Inc. | Dual connectivity and carrier aggregation band selection |
| DE102021212981A1 (en) * | 2021-11-18 | 2023-05-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Method for managing dissimilar wireless communication links |
| CN115190540B (en) * | 2022-07-08 | 2025-04-08 | Oppo广东移动通信有限公司 | Communication processing method and related device |
| CN118740247B (en) * | 2024-08-07 | 2025-07-08 | 凯睿星通信息科技(南京)股份有限公司 | Satellite communication network resource allocation method and system based on interference carrier identification |
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| CN109451873A (en) * | 2017-07-25 | 2019-03-08 | 北京小米移动软件有限公司 | The indicating means and device of unexpected working channel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106961289B (en) | 2020-11-13 |
| US20170201997A1 (en) | 2017-07-13 |
| US10201000B2 (en) | 2019-02-05 |
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